If the thickness of the small coil \(A\) is 0.000021 metre and the thickness of coil \(B\) is 0.000002069 metre , Give the thickness of the coil in scientific form.
 
i) The thickness of coil \((A)\) \(=\) i×10ii metre.
 
ii) The thickness of coil \((B)\) \(=\) i×10ii metre.
 
[Note: Submit the number and signs in respective box]